Theorem of the Dayhttp://www.theoremoftheday.org/
A gallery whose exhibits are the crowning achievements of mathematics: its theorems.Theorem of the Dayhttp://www.theoremoftheday.org/TotDLogo.jpghttp://www.theoremoftheday.org/
New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Binomial/Lame/TotDLame.pdf
Theorem of the Day has a 'new acquisition': Lamé's TheoremAnnounce: Theorem no. 87New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Analysis/CauchyKovalevskaya/TotDCauchyKovalevskaya.pdf
Theorem of the Day has a 'new acquisition': the Cauchy-Kovalevskaya TheoremAnnounce: Theorem no. 88Theorem Updatehttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/GroupTheory/MChan/TotDMChan.pdf
The theorem of Melody Chan (no. 51) has a corrected and improved presentationUpdate: #1 to Theorem 51Theorem Updatehttp://www.theoremoftheday.org/Theorems.html
Non-trivial corrections have been made to the pictures illustrating the DPRM Theorem (no. 43) and Moufang's Theorem (no. 61)Update: #1 to Theorem 43 and Theorem 61News from Theorem of the Dayhttp://www.theoremoftheday.org/Shop/Shop.htm
Theorem of the Day Gallery Shop now open for browsingNews: Shop open for browsingNews from Theorem of the Dayhttp://www.theoremoftheday.org/Shop/Shop.htm
You can now buy the Theorem of the Day 2008 calendar "12 Theorems by Women Mathematicians" at the on-line shopNews: Shop open for purchasesNew Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Statistics/AbelHurwitz/TotDAbelHurwitz.pdf
Theorem of the Day has a 'new acquisition': the Abel-Hurwitz Binomial TheoremAnnounce: Theorem no. 89Theorem Updatehttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Binomial/Binomial/TotDBinomial.pdf
Non-trivial corrections have been made to the description of the Binomial TheoremUpdate: #1 to Theorem 47Theorem Updatehttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/NumberTheory/Lutz/TotDLutzNagell.pdf
A correction has been made to the Lutz-Nagell Theorem concerning the point of order 2 (it isn't rational! - thanks to Shaun Stevens at UEA for pointing that out)Update: #1 to Theorem 81New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Analysis/Cardano/TotDCardano.pdf
Theorem of the Day has a 'new acquisition': Cardano's Cubic Formula. This will
be the last theorem added this year; happy 2008 to all my visitors!Announce: Theorem no. 90News from Theorem of the Dayhttp://www.theoremoftheday.org/Shop/Shop.htm
T-shirts now available from Theorem of the Day Gallery ShopNews: T-shirts availableNew Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/NumberTheory/KhinchinCF/TotDKhinchin.pdf
Theorem of the Day has a 'new acquisition': Khinchin's Theorem on Continued Fractions. The
first new theorem of 2008: Happy New Year to all my visitors!Announce: Theorem no. 91New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Analysis/Quadratic/TotDQuadratic.pdf
Theorem of the Day has a 'new acquisition': The Quadratic Formula.Announce: Theorem no. 92New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/MusicAndArt/Hexachord/TotDHexachord.pdf
Theorem of the Day has a 'new acquisition': the Generalised Hexachord TheoremAnnounce: Theorem no. 93News from Theorem of the Dayhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/CombinatorialTheory/Ramsey/TotDRamsey.pdf
A 'Ramsey Theory Contest', proposed by David Cariolaro,
has been added to Theorem no. 28: Ramsey's Theorem.News: Ramsey Theory ContestNews from Theorem of the Dayhttp://www.theoremoftheday.org
Search Theorem of the Day by google has been added to the Theorem of the Day homepage. Type in your favourite
mathematical term and see what comes up!News: google search addedNew Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Analysis/Convolution/TotDConvolution.pdf
Theorem of the Day has two 'new acquisitions': Cayley's Formula and the Convolution TheoremAnnounce: Theorem nos. 94 and 95New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/GeometryAndTrigonometry/Sarrus/TotDSarrus.pdf
Theorem of the Day has a 'new acquisition': the Rule of SarrusAnnounce: Theorem no. 96News from Theorem of the Dayhttp://www.theoremoftheday.org/Shop/Shop.htm
The 2008 wall calendar "12 Theorems by Women Mathematicians" is now reduced in price
to £10 + postage and packingNews: calendar price reductionNew Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Analysis/Cartwright/TotDCartwright.pdf
Theorem of the Day has two 'new acquisitions': Nevanlinna's Five-Value Theorem and Cartwright's TheoremAnnounce: Theorem nos. 97 and 98Theorem Updatehttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/CombinatorialTheory/Dilworth/TotDDilworth.pdf
A new version of Dilworth's Theorem has been posted. For snooker fans, the old one remains
accessible at position 19 in the Complete List.Update: #1 to Theorem 19New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/GeometryAndTrigonometry/EstherKlein/TotDEstherKlein.pdf
Theorem of the Day has a 'new acquisition': The Happy Ending ProblemAnnounce: Theorem no. 99News from Theorem of the Dayhttp://www.theoremoftheday.org/VisitorsBook/VisitorsBook.htm
Theorem of the Day now has a Visitors' Book where you can share your thoughts about
theoremoftheday.org or just about theorems in generalNews: Visitors Book addedNew Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/CombinatorialTheory/DoC/TotDDoC.pdf
Theorem of the Day has a 'new acquisition': the Design of the Century. This is theorem no. 100 to be
added to the site! Please feel free to leave a message of encouragement in our Visitors' Book and thank
you for your continued interest!Announce: Theorem no. 100New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/GeometryAndTrigonometry/Kepler/TotDKepler.pdf
Theorem of the Day has a 'new acquisition': Kepler's ConjectureAnnounce: Theorem no. 101New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/GeometryAndTrigonometry/Viete/TotDViete.pdf
Theorem of the Day has a 'new acquisition': Viète's FormulaAnnounce: Theorem no. 102New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/CombinatorialTheory/Parking/TotDParking.pdf
Theorem of the Day has a 'new acquisition': The Parking Function FormulaAnnounce: Theorem no. 103New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/GeometryAndTrigonometry/GMR/TotDGMR.pdf
Theorem of the Day has a 'new acquisition': The Goins-Maddox-Rusin Theorem on Heron TrianglesAnnounce: Theorem no. 104New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/LogicAndComputerScience/PumpingLemma/TotDPumping.pdf
Theorem of the Day has a 'new acquisition': The Pumping LemmaAnnounce: Theorem no. 105News from Theorem of the Dayhttp://www.theoremoftheday.org/Shop/Shop.htm
I have made a final reduction for the last few copies of the 2008 wall calendar "12 Theorems by Women Mathematicians" to
to cost price: £7 + postage and packing. Last chance to get this collector's item!News: calendar price final reductionNew Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/MusicAndArt/Babbitt/TotDBabbitt.pdf
Theorem of the Day has a 'new acquisition': Babbitt's TheoremAnnounce: Theorem no. 106New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/GeometryAndTrigonometry/Tverberg/TotDTverberg.pdf
Theorem of the Day has a 'new acquisition': The Tverberg Partition TheoremAnnounce: Theorem no. 107New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/GeometryAndTrigonometry/ATST/TotDATST.pdf
Theorem of the Day has a 'new acquisition': The Analyst's Travelling Salesman TheoremAnnounce: Theorem no. 108New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/OR/BHH/TotDBHH.pdf
Theorem of the Day has a 'new acquisition': The Beardwood-Halton-Hammersley TheoremAnnounce: Theorem no. 109News from Theorem of the Dayhttp://www.theoremoftheday.org/Resources/Mathematicians.html
Theorem of the Day now has an Index of Mathematicians with more than 150 entries. Find out why it is
an advantage for your name to begin 'Ca' if you want to be a famous mathematician!News: Index of Mathematicians addedNew Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/LogicAndComputerScience/DeMorgan/TotDDeMorgan.pdf
Theorem of the Day has two 'new acquisitions': The Robbins Problem and De Morgan's LawsAnnounce: Theorem nos. 110 and 111New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/CombinatorialTheory/Bregman/TotDBregman.pdf
Theorem of the Day has a 'new acquisition': Bregman's TheoremAnnounce: Theorem no. 112New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/CombinatorialTheory/VDW/TotDVDW.pdf
Theorem of the Day has a 'new acquisition': van der Waerden's ConjectureAnnounce: Theorem no. 113New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/GroupTheory/Loops/TotDLoops.pdf
Theorem of the Day has a 'new acquisition': the Lagrange Property for Moufang LoopsAnnounce: Theorem no. 114New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/NumberTheory/Partitions/TotDPartitions.pdf
Theorem of the Day has a 'new acquisition': the Hardy-Ramanujan Asymptotic Partition FormulaAnnounce: Theorem no. 115New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/CombinatorialTheory/Coprimality/TotDCoprimality.pdf
Theorem of the Day has a 'new acquisition': the Polynomial Coprimality TheoremAnnounce: Theorem no. 116New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/CombinatorialTheory/ErdosWilson/TotDErdosWilson.pdf
Theorem of the Day has a 'new acquisition': a Theorem of Erdos and Wilson on Edge ColouringAnnounce: Theorem no. 117New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/NumberTheory/Catalan/TotDCatalan.pdf
Theorem of the Day has a 'new acquisition': Catalan's ConjectureAnnounce: Theorem no. 118New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/CombinatorialTheory/Kneser/TotDKneser.pdf
Theorem of the Day has a 'new acquisition': Kneser's ConjectureAnnounce: Theorem no. 119New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Statistics/Local/TotDLocal.pdf
Theorem of the Day has a 'new acquisition': The Lovász Local LemmaAnnounce: Theorem no. 120New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/GeometryAndTrigonometry/Lambert/TotDLambert.pdf
Theorem of the Day has a 'new acquisition': The Lambert's FormulaAnnounce: Theorem no. 121News from Theorem of the Dayhttp://www.theoremoftheday.org/
The Theorem of the Day home page now offers a 'Coming Soon' link, so you can see
what is in preparation and request a sneak preview!News: Coming Soon addedNews from Theorem of the Dayhttp://www.theoremoftheday.org
The Theorem of the Day home page now gives greater prominance to its
'logo', the Fibonacci spiral. This should also appear on the tab of your
web browser.News: new image on home pageTheorem Updatehttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Statistics/Local/TotDLocal.pdf
A new version of Theorem no. 120, The Lovász Local Lemma, has been posted. Its
illustration addresses a subtlety which was missing from the previous version (thanks to
Mark Jerrum for suggesting this).Update: #1 to Theorem 120New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Topology/BorsukUlam/TotDBorsukUlam.pdf
Theorem of the Day has a 'new acquisition': the Borsuk-Ulam TheoremAnnounce: Theorem no. 122New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Algebra/Wedderburn/TotDWedderburn.pdf
Theorem of the Day has a 'new acquisition': the Wedderburn-Artin TheoremAnnounce: Theorem no. 123New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Analysis/Lagrange/TotDLagrange.pdf
Theorem of the Day has a 'new acquisition': the Lagrange Interpolation FormulaAnnounce: Theorem no. 124New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Algebra/SkolemNoether/TotDSkolem.pdf
Theorem of the Day has a 'new acquisition': the Skolem-Noether TheoremAnnounce: Theorem no. 125New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/InformationTheory/Liar/TotDLiar.pdf
Theorem of the Day has a 'new acquisition': the Asymptotic (Half) Liar FormulaAnnounce: Theorem no. 126New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/NumberTheory/LucasLehmer/TotDLucas.pdf
Theorem of the Day has a 'new acquisition': the Lucas-Lehmer TestAnnounce: Theorem no. 127New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/NumberTheory/EuclidEuler/TotDEuclidEuler.pdf
Theorem of the Day has a 'new acquisition': the Euclid-Euler TheoremAnnounce: Theorem no. 128New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/CombinatorialTheory/MostPerfect/TotDMostPerfect.pdf
Theorem of the Day has a 'new acquisition': The Ollerenshaw-Brée FormulaAnnounce: Theorem no. 129New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/GeometryAndTrigonometry/Apollonian/TotDSmallApoll.pdf
Theorem of the Day has a 'new acquisition': A Theorem on Apollonian Circle PackingsAnnounce: Theorem no. 130New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/CombinatorialTheory/DDOLS/TotDDDOLS.pdf
Theorem of the Day has two 'new acquisitions': The Existence Theorem for Orthogonal Diagonal Latin Squares
and Theaetetus' Theorem on the Platonic SolidsAnnounce: Theorem nos. 131 and 132News from Theorem of the Dayhttp://www.theoremoftheday.org/Shop/Calendar09.htm
The 2009 Theorem of the Day calendar "12 Theorems by Women Mathematicians" is now available
for free download and will be available to buy in printed format soon.News: 2009 calendar availableNew Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Statistics/TotalProb/TotDTotal.pdf
Theorem of the Day has a 'new acquisition': The Total Probability TheoremAnnounce: Theorem no. 133News from Theorem of the Dayhttp://www.theoremoftheday.org/Shop/Shop.htm
The 2009 calendar "12 Theorems by Women Mathematicians" is now available for
purchase at the Gallery ShopNews: 2009 calendars on saleNews from Theorem of the Dayhttp://www.theoremoftheday.org/
theoremoftheday.org now offers a link which automatically loads today's theorem on
to your screen (thanks to Erik Koelink at Radboud Universiteit for this idea!)News: daily theorem displayNew Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Analysis/CoV/TotDCoV.pdf
Theorem of the Day has a 'new acquisition': The Change of Variables TheoremAnnounce: Theorem no. 134New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/GroupTheory/Movement/TotDMovement.pdf
Theorem of the Day has a 'new acquisition': Praeger's Theorem on Bounded Movement, marking
the occasion of Cheryl Praeger's 60th birthday conference in Perth this coming weekAnnounce: Theorem no. 135News from Theorem of the Dayhttp://www.theoremoftheday.org/Shop/Shop.htm
The 2009 calendar "12 Theorems by Women Mathematicians" is now reduced in
price to £10 + postage and packing. I will be selling them at that price tomorrow at the Open
University Winter Combinatorics Meeting, Milton-KeynesNews: 2009 calendar price reductionNew Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Binomial/Derangements/TotDDerangements.pdf
Theorem of the Day has a 'new acquisition': Theorems of Euler and Rényi on 'e'Announce: Theorem no. 136Theorem Updatehttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/NumberTheory/QuadraticReciprocity/TotDReciprocity.pdf
A corrected version of Theorem no. 29, Gauss's Law of Quadratic Reciprocity, has been posted.
In stating the Law its dependence on the second variable q was ommitted (thanks to
John Drost for pointing this out to me).Update: #1 to Theorem 29New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Binomial/WallisProduct/TotDWallis.pdf
Theorem of the Day has a 'new acquisition': Wallis's TheoremAnnounce: Theorem no. 137News from Theorem of the Dayhttp://www.theoremoftheday.org/Resources/FAQ.htm
Theorem of the Day now has an FAQ page.News: FAG page addedNew Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/LogicAndComputerScience/Pratt/TotDPratt.pdf
Theorem of the Day has a 'new acquisition': Vaughan Pratt's TheoremAnnounce: Theorem no. 138New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/LogicAndComputerScience/Strassen/TotDStrassen.pdf
Theorem of the Day has a 'new acquisition': Strassen's Matrix TheoremAnnounce: Theorem no. 139New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/CombinatorialTheory/Rigidity/TotDRigidity.pdf
Theorem of the Day has a 'new acquisition': a Theorem on Rectangular TensegritiesAnnounce: Theorem no. 140News from Theorem of the Dayhttp://www.theoremoftheday.org/Resources/Events.htm
Theorem of the Day has an embryonic international
listing of public events on mathematics to which everyone is welcome to submit itemsNews: events listing addedNew Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/CombinatorialTheory/PiffWelsh/TotDPiffWelsh.pdf
Theorem of the Day has a 'new acquisition': the Piff-Welsh TheoremAnnounce: Theorem no. 141New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/GroupTheory/RSK/TotDRSK.pdf
Theorem of the Day has two 'new acquisitions': Sylvester's Law of Inertia and
The Robinson-Schensted-Knuth CorrespondenceAnnounce: Theorem nos. 142 and 143New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/MathPhysics/Lieb/TotDLieb.pdf
Theorem of the Day has a 'new acquisition': Lieb's Square Ice TheoremAnnounce: Theorem no. 144New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Analysis/ContractionMapping/TotDContraction.pdf
Theorem of the Day has a 'new acquisition': The Contraction Mapping TheoremAnnounce: Theorem no. 145Theorem Updatehttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/CombinatorialTheory/DegreeColourable/TotDDegreeColourable.pdf
Theorem no. 70, on vertex-degree colourability of graphs, has been updated to reflect the striking
reduction in the upper bound recently proved by Kalkowski, Karonski and PfenderUpdate: #1 to Theorem 70New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/CombinatorialTheory/Panarboreal/TotDPanarboreal.pdf
Theorem of the Day has a 'new acquisition': The Panarboreal FormulaAnnounce: Theorem no. 146New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Analysis/Sophomore/TotDSophomore.pdf
Theorem of the Day has a 'new acquisition': The Sophomore's DreamAnnounce: Theorem no. 147New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Analysis/SchurRealZeros/TotDSchurRealZeros.pdf
Theorem of the Day has a 'new acquisition': A Theorem of Schur on Real-RootednessAnnounce: Theorem no. 148New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/GeometryAndTrigonometry/EuclidsPrism/TotDEuclidsPrism.pdf
Theorem of the Day has a 'new acquisition': Euclid's PrismAnnounce: Theorem no. 149New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/CombinatorialTheory/HoppingLemma/TotDHoppingLemma.pdf
Theorem of the Day has a 'new acquisition': Woodall's Hopping LemmaAnnounce: Theorem no. 150New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/NumberTheory/SmallGaps/TotDSmallGaps.pdf
Theorem of the Day has a 'new acquisition': The Short Gaps TheoremAnnounce: Theorem no. 151Theorem Updatehttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Analysis/Cardano/TotDCardano.pdf
A new version of Theorem no. 90, Cardano's Cubic Formula, has been posted.
The new version has a much more explicit example of how to use the formula to solve cubic equations.Update: #1 to Theorem 90New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/GeometryAndTrigonometry/DeMoivre/TotDDeMoivre.pdf
Theorem of the Day has a 'new acquisition': de Moivre's TheoremAnnounce: Theorem no. 152New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/CombinatorialTheory/EulerPartition/TotDEulerPartition.pdf
Theorem of the Day has a 'new acquisition': Euler's Partition IdentityAnnounce: Theorem no. 153New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Analysis/Remainder/TotDRemainder.pdf
Theorem of the Day has a 'new acquisition': The Remainder TheoremAnnounce: Theorem no. 154New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/CombinatorialTheory/TripartiteTuran/TotDTripartiteTuran.pdf
Theorem of the Day has a 'new acquisition': a Tripartite Turán TheoremAnnounce: Theorem no. 155New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/NumberTheory/LectureHall/TotDLectureHall.pdf
Theorem of the Day has a 'new acquisition': The Lecture Hall Partition TheoremAnnounce: Theorem no. 156New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/GroupTheory/RSK/TotDRSK.pdf
Theorem of the Day has two 'new acquisitions': the Transversal Matroid Theorem and
The Albert-Brauer-Hasse-Noether Main TheoremAnnounce: Theorem nos. 157 and 158Theorem Updatehttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/GroupTheory/Netto/TotDNetto.pdf
A colour-free version of Theorem no. 49, Netto's Conjecture, has been added. Update: #1 to Theorem 49New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/GroupTheory/Halfn/TotDHalfn.pdf
Theorem of the Day has a 'new acquisition': the McIver-Neumann 1/2-n BoundAnnounce: Theorem nos. 159New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/GeometryAndTrigonometry/4Polytopes/TotD4Polytopes.pdf
Theorem of the Day has a 'new acquisition': the Classification of the Archimedean 4-PolytopesAnnounce: Theorem nos. 160News from Theorem of the Dayhttp://www.theoremoftheday.org/Shop/Calendar10.html
A preliminary download version of the 2010 Theorem of the Day calendar is now available.News: preliminary 2010 calendar availableNew Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/LogicAndComputerScience/ZeroKnowledge/TotDZeroKnowledge.pdf
Theorem of the Day has a 'new acquisition': Quadratic Nonresidue is Zero-Knowledge ProvableAnnounce: Theorem no. 161New Theoremhttp://myweb.lsbu.ac.uk/~whittyr/MathSci/TheoremOfTheDay/Topology/Heath/TotDHeath.pdf
Theorem of the Day has a 'new acquisition': Heath's Finitely Discontinuous Function TheoremAnnounce: Theorem no. 162New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has two 'new acquisitions': The Friendship Theorem and the Diaconis-Holmes-Montgomery Coin Tossing TheoremAnnounce: Theorem nos. 163 and 164News from Theorem of the Dayhttp://www.theoremoftheday.org/Shop/Calendar10.html
The 2010 Theorem of the Day calendar is now available as a free download.News: 2010 calendar availableNew Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Lin McMullin's TheoremAnnounce: Theorem nos. 165New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Haken;s Unknot TheoremAnnounce: Theorem no. 166New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': The Lindemann-Weierstrass TheoremAnnounce: Theorem no. 167News from Theorem of the Dayhttp://www.theoremoftheday.org/Resources/Glossary.htm
A small but hopefully growing list of acronyms has been attached to the Glossary page.News: announcing list of acronymsNew Theoremhttp://www.theoremoftheday.org
Theorem of the Day has two 'new acquisitions': The Max-Flow Min-Cut Theorem and Sokal's Theorem on Chromatic RootsAnnounce: Theorem nos. 168 and 169New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition' to celebrate Pi Day 2010: Machin's FormulaAnnounce: Theorem no. 170Unavailabilityhttp://www.theoremoftheday.org
Theorem of the Day apologises for loss of availability on Friday March 26. This was due to unexpected problems during a domain transfer.Apologies for loss of availabilityNew Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': The BEST TheoremAnnounce: Theorem no. 171New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': The Andrews-Garvan-Dyson CrankAnnounce: Theorem no. 172New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': The Ramanujan Partition CongruencesAnnounce: Theorem no. 173News from Theorem of the Dayhttp://www.theoremoftheday.org
You can now get news of what is happening at theoremoftheday via Twitter: http://www.twitter.com/theoremofthedayNews: follow us on TwitterNew Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': The Cameron--Fon-Der-Flaass IBIS TheoremAnnounce: Theorem no. 174New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': The Bungers--Lehmer Theorem on Cyclotomic CoefficientsAnnounce: Theorem no. 175New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': The Existence Theorem for Bachelor Latin SquaresAnnounce: Theorem no. 176New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 177, The Heine-Borel TheoremAnnounce: Theorem no. 177New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 178, Sendov's ConjectureAnnounce: Theorem no. 178New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 179, the Descartes Circle TheoremAnnounce: Theorem no. 179New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 180, the Greibach Normal Form TheoremAnnounce: Theorem no. 180News from Theorem of the Dayhttp://www.theoremoftheday.org
From today for the next month Theorem of the Day is proudly hosting the 71st Carnival of Mathematics!News: Carnival of MathematicsNew Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 181, the Archimedes' Equiareal Map TheoremAnnounce: Theorem no. 181New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 182, the Girard-Newton IdentitiesAnnounce: Theorem no. 182New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 183, Theorema Egregium. This marks half a leap year of theorems!Announce: Theorem no. 183New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 184, von Neumann's Minimax TheoremAnnounce: Theorem no. 184New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 185, Konig's Bipartite Matching TheoremAnnounce: Theorem no. 185New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 186, The Insolvability of the EntscheidungsproblemAnnounce: Theorem no. 186News from Theorem of the Dayhttp://www.theoremoftheday.org
New on my home page: alphabetical theorem listing by keyword; now you can find all 5 theorems with 'partition' in the title instantly!News: alphabetical theorem listNew Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 187, Karp's Theorem (Detail)Announce: Theorem no. 187New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 188, al-Kashi's Law of CosinesAnnounce: Theorem no. 188New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 189, The Handshaking LemmaAnnounce: Theorem no. 189New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 190, Jackson's Theorem on Compatible Euler ToursAnnounce: Theorem no. 190New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 191, L'Hospital's RuleAnnounce: Theorem no. 191New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 192, the Rotation Distance BoundAnnounce: Theorem no. 192New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 193, Frieze's Theorem on Expected Minimum Tree LengthAnnounce: Theorem no. 193New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 194, Wilson's TheoremAnnounce: Theorem no. 194New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 195, the Erdos-Ko-Rado TheoremAnnounce: Theorem no. 195New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 196, the Cantor-Bernstein-Schroeder TheoremAnnounce: Theorem no. 196New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 197, the Robin-Lagarias TheoremAnnounce: Theorem no. 197New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 198, the Art Gallery TheoremAnnounce: Theorem no. 198New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 199, Fermat's Two-Squares TheoremAnnounce: Theorem no. 199New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 200, Minkowski's Convex Body TheoremAnnounce: Theorem no. 200New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 201, Jensen's InequalityAnnounce: Theorem no. 201New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 202, the Friedlander-Iwaniec TheoremAnnounce: Theorem no. 202New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition' to celebrate Tau Day: Theorem no. 203, Euler's Continued Fraction CorrespondenceAnnounce: Theorem no. 203New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 204, Singmaster's Binomial Multiplicity Bound (a 'theorem under construction'!)Announce: Theorem no. 204New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 205, The Classification of the Semiregular TilingsAnnounce: Theorem no. 205New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 206, Euler's FormulaAnnounce: Theorem no. 206New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 207, the Eratosthenes-Legendre SieveAnnounce: Theorem no. 207New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 208, Torricelli's TrumpetAnnounce: Theorem no. 208New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 209, The Erdos Discrepancy ConjectureAnnounce: Theorem no. 209New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 210, The Basel ProblemAnnounce: Theorem no. 210New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 211, Willans' FormulaAnnounce: Theorem no. 211New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 212, Vizing's TheoremAnnounce: Theorem no. 212New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 213, The Six Circles TheoremAnnounce: Theorem no. 213New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 214, a Theorem on Maximal Sum-free Sets in GroupsAnnounce: Theorem no. 214New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisition': Theorem no. 215, Wedderburn's Little TheoremAnnounce: Theorem no. 215New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has 'new acquisitions': Theorem no. 216, Irrationality of Unit Circle Circumference and Theorem no. 217, Taylor's TheoremAnnounce: Theorem nos. 216 and 217New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has 'new acquisitions': Theorem no. 218, Riemann Rearrangement Theorem no. 219, Integration by Parts, and Theorem no. 220, the Pappus-Guldin TheoremsAnnounce: Theorem nos. 218, 219 and 220New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisitions': Theorem no. 221, the Inclusion-Exclusion PrincipleAnnounce: Theorem no. 221New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisitions': Theorem no. 222, Faulhaber's FormulaAnnounce: Theorem no. 222New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has 'new acquisitions': Theorem no. 223, 224, 225, by Tutte, Green and RegiomontanusAnnounce: Theorem nos. 223-5New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisitions': Theorem no. 226, Wolstenholme's TheoremAnnounce: Theorem no. 226New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has a 'new acquisitions': Theorem no. 227, Cauchy's Theorem in Group TheoryAnnounce: Theorem no. 227New Theoremhttp://www.theoremoftheday.org
Theorem of the Day has 'new acquisitions': Theorem no. 228, 229, 230, by R.A. Fisher, Poncelet and OreAnnounce: Theorem nos. 228-230